Date: Mon, 9 May 2011 20:24:40 +0200 (CEST) From: Michael Reifenberger <mike@reifenberger.com> To: Artem Belevich <art@freebsd.org> Cc: FreeBSD-SCSI <scsi@freebsd.org> Subject: Re: mpt(4) cuts 3TiB drives down to 2TiB Message-ID: <alpine.BSF.2.00.1105092021100.5116@gw.reifenberger.com> In-Reply-To: <BANLkTikGH6iDLZTztxg13qzxPiazQ5VYBA@mail.gmail.com> References: <alpine.BSF.2.00.1105081401080.92495@gw.reifenberger.com> <BANLkTikGH6iDLZTztxg13qzxPiazQ5VYBA@mail.gmail.com>
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On Sun, 8 May 2011, Artem Belevich wrote: > Date: Sun, 8 May 2011 12:31:28 -0700 > From: Artem Belevich <art@freebsd.org> > To: Michael Reifenberger <mike@reifenberger.com> > Cc: FreeBSD-SCSI <scsi@freebsd.org> > Subject: Re: mpt(4) cuts 3TiB drives down to 2TiB > > On Sun, May 8, 2011 at 5:13 AM, Michael Reifenberger > <mike@reifenberger.com> wrote: >> Hi, >> the manpage of mptutil states that mpt(4) doesn't support volumes greater >> 2TiB, >> it suggests to use the disks in JBOD mode. >> >> Even this seems only to work for disk with less than 2TiB. >> >> When attaching a Hitachi 7k3000 drive on the LSI SAS/SATA ports of a >> Supermicro X8ST3-F board I only see 4294967294 sectors while I get 976773168 >> sectors when >> attaching to the on board SATA ports. >> >> This leaves the onboard LSI controller useless for bigger disks. >> >> Is there a way to work around this issue? >> >> Or is anybody working on enhancing the mpt(4) driver to use the newer API? > > According to LSI, it's a 'feature'. Controllers based on > LSI1068/1068e (X8ST3-F uses LSI 1068E) truncate drive capacity to > 2TB: > http://kb.lsi.com/KnowledgebaseArticle16399.aspx > Yes. Seems so. For me its a documented bug though. Hopefully the will revise this misbehaviour... Bye/2 --- Michael Reifenberger Michael@Reifenberger.com http://www.Reifenberger.com
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